1. Rated power :40W Bass: 35 cores
2. Power selection :5/10/20/40W/8Ω using top KTV paper paddle
3. Voltage :100V/70V formula and Japanese original foam rubber edge
4. Sensitivity (1m,1w):90DB treble :25 core USA
5. Frequency response :50-20KHZ DuPont PEEK sound film
6. Product size :281x185mm full bass, treble soft
7. Opening size :$250mm and high resolution without compression,
8. Material :ABS panel, the overall sound quality of the iron rear bucket is pure and smooth
9. Weight :3.1kg